Primate milk: proximate mechanisms and ultimate perspectives.
Katie Hinde1, Lauren A Milligan
1Brain, Mind, and Behavior Unit, California National Primate Research Center, The University of California, Davis, USA. kjhinde@ucdavis.edu
Evolutionary Anthropology
|October 29, 2011
Summary
Understanding primate milk synthesis is key to grasping lactation strategies. This review integrates diverse fields to explore primate milk composition and yield, enhancing knowledge of primate life history.
Area of Science:
- Evolutionary biology
- Primate ecology
- Biochemistry
Background:
- Primate lactation strategies are shaped by evolutionary forces.
- Lactation involves nursing frequency/duration, weaning period, infant number, and milk composition.
- Milk synthesis is a costly aspect of infant care, yet understudied.
Purpose of the Study:
- To review primate lactation biology and milk synthesis.
- To identify derived and ancestral features of primate milks.
- To enhance understanding of primate life history.
Main Methods:
- Literature review integrating anthropology, biology, nutrition, animal science, immunology, and biochemistry.
- Analysis of ecological and phylogenetic contexts of milk synthesis.
- Examination of energy transfer dynamics from placental support to lactation.
Main Results:
- Milk synthesis is a significant energetic cost during infant development.
- Primate milk composition and yield vary, reflecting diverse life histories.
- Comparative analysis reveals evolutionary patterns in primate lactation.
Conclusions:
- Understanding milk synthesis mechanisms is crucial for evolutionary insights into primate lactation.
- Integrating multiple scientific disciplines provides a comprehensive view of primate milk biology.
- This review advances knowledge of primate life history through the lens of lactation.
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